Pomegranate must be covered with soil to overwinter safely in Xingjiang.

新疆冬季寒冷，石榴必须埋土才能安全越冬。

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He said it was not clear if the bittern was one of the breeding birds from Leighton Moss or one of the species' foreign visitors, which come to Britain to overwinter and escape colder weather on the continent.

BBC: Rescued rare bird to be released